Dockerfile

FROM node:8

MAINTAINER Christian Metz <christian@metzweb.net>

ENV SWAGGER_UI_VERSION 3.2.2
ENV SWAGGER_SPEC_PATH /swaggerui/swagger/

# Create app directories and install unzip
RUN mkdir -p /usr/src/app && \
    mkdir -p /swaggerui/swagger && \
    apt-get update && \
    apt-get install -y unzip

WORKDIR /swaggerui

# Download Swagger UI
ADD https://github.com/swagger-api/swagger-ui/archive/v${SWAGGER_UI_VERSION}.zip /swaggerui/${SWAGGER_UI_VERSION}.zip
COPY src/swagger.json /swaggerui/swagger/swagger.json

# Unzip Swagger archive, copy dist files, and change the default endpoint
# from petstore to the local API
RUN unzip ${SWAGGER_UI_VERSION}.zip && \
    rm ${SWAGGER_UI_VERSION}.zip && \
    mv swagger-ui-${SWAGGER_UI_VERSION}/dist/* . && \
    rm -r swagger-ui-${SWAGGER_UI_VERSION}/ && \
    sed -i "s|http://petstore.swagger.io/v2/swagger.json|/spec|g" index.html

WORKDIR /usr/src/app

# Install app dependencies
COPY src/package.json .
RUN npm install

# Bundle app source
COPY src/server.js .

EXPOSE 8080
CMD ["npm", "start"]